UserDetailService.java

@Service
public class UserDetailService implements UserDetailsService {

    @Autowired
    UserRepository userRepository;


    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        
        return userRepository.findByUsername(username)
            .map(UserAuthenticated::new)
            .orElseThrow(() -> new UsernameNotFoundException("Usuário não encontrado"));
    
    }
    
}